Top Definition
When an English teacher starts out nice at the beginning of a school but than later snaps and becomes a mean teacher that randomly yells at kids.
Guy 1: What ever happened to Ms. teacher? she used to be so nice!
Guy 2: Yea but shes so mean now.
Guy 1: I know, she has English Teacher Syndrome (ETS)
by Nikoliah November 05, 2011

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